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v1.0.0
ICD-10 Guide
ICD-10 CodesA08

A08

Viral and other specified intestinal infections

BILLABLE STATUSNo
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/04/2025

Code Description

ICD-10 A08 is a used to indicate a diagnosis of viral and other specified intestinal infections.

Key Diagnostic Point:

A08 includes various viral and specified intestinal infections that are not classified elsewhere. These infections can lead to gastrointestinal symptoms such as diarrhea, vomiting, and abdominal pain.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of causative agents
  • Potential for severe dehydration

Audit Risk Factors

    Specialty Focus

    Medical Specialties

    Infectious Disease

    Documentation Requirements

    Detailed patient history, laboratory results, and symptomatology.

    Common Clinical Scenarios

    Acute gastroenteritis due to viral infection, outbreaks in community settings.

    Billing Considerations

    Consideration of patient age and underlying health conditions that may affect severity.

    Coding Guidelines

    Inclusion Criteria

    Use A08 When
    • Follow specific guidelines for coding viral infections, ensuring accurate documentation of the type of virus when known

    Exclusion Criteria

    Do NOT use A08 When
    No specific exclusions found.

    Related Codes

    Child Codes

    11 codes
    A08.0
    Rotaviral enteritis
    A08.1
    Intestinal infection due to Clostridium difficile, unspecified
    A08.11
    Acute gastroenteropathy due to Norwalk agent
    A08.19
    Acute gastroenteropathy due to other small round viruses
    A08.2
    Adenoviral enteritis
    A08.3
    "Amebic meningoencephalitis"
    A08.31
    Calicivirus enteritis
    A08.32
    Astrovirus enteritis
    A08.39
    Other viral enteritis
    A08.4
    Viral intestinal infection, unspecified
    A08.8
    Other specified intestinal infections

    Related CPT Codes

    87430CPT Code

    Infectious agent detection by nucleic acid (DNA or RNA); enteric virus

    Clinical Scenario

    Testing for viral pathogens in stool samples.

    Documentation Requirements

    Document the reason for testing and symptoms presented.

    Specialty Considerations

    Infectious disease specialists may require additional tests based on clinical presentation.

    ICD-10 Impact

    Diagnostic & Documentation Impact

    Enhanced Specificity

    ICD-10 Improvements

    The introduction of A08 allows for more specific coding of viral intestinal infections, improving data accuracy and treatment tracking.

    ICD-9 vs ICD-10

    The introduction of A08 allows for more specific coding of viral intestinal infections, improving data accuracy and treatment tracking.

    Reimbursement & Billing Impact

    The introduction of A08 allows for more specific coding of viral intestinal infections, improving data accuracy and treatment tracking.

    Resources

    Clinical References

    • •
      CDC Viral Gastroenteritis Information

    Coding & Billing References

    • •
      CDC Viral Gastroenteritis Information

    Frequently Asked Questions

    What are the common symptoms of viral intestinal infections?

    Common symptoms include diarrhea, vomiting, abdominal cramps, and sometimes fever.

    How can viral intestinal infections be differentiated from bacterial infections?

    Diagnosis typically involves clinical evaluation and may include stool tests to identify the causative agent.